- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "93211" - Not available
AUDI - 100, 80, A6, Coupe, 90; VW - Transporter; ALFA ROMEO - 33, 75; FIAT - Fiorino, Tempra; BMW - 3, 6
Additional numbers
NGK:
OZA721-EE29